addsynth_component_frequency_envelope.cpp

   1 /* -*- Mode: C ; c-basic-offset: 2 -*- */
   2 /*****************************************************************************
   3  *
   4  *   Copyright (C) 2006,2007 Nedko Arnaudov <nedko@arnaudov.name>
   5  *
   6  *   This program is free software; you can redistribute it and/or modify
   7  *   it under the terms of the GNU General Public License as published by
   8  *   the Free Software Foundation; version 2 of the License
   9  *
  10  *   This program is distributed in the hope that it will be useful,
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *   GNU General Public License for more details.
  14  *
  15  *   You should have received a copy of the GNU General Public License
  16  *   along with this program; if not, write to the Free Software
  17  *   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  *****************************************************************************/
  20
  21 #include <stdbool.h>
  22 #include <assert.h>
  23
  24 #include "common.h"
  25 #include "globals.h"
  26 #include "addsynth.h"
  27 #include "lfo_parameters.h"
  28 #include "lfo.h"
  29 #include "filter_parameters.h"
  30 #include "filter_base.h"
  31 #include "filter_common.h"
  32 #include "analog_filter.h"
  33 #include "sv_filter.h"
  34 #include "formant_filter.h"
  35 #include "filter.h"
  36 #include "envelope_parameters.h"
  37 #include "envelope.h"
  38 #include "addnote.h"
  39 #include "resonance.h"
  40 #include "fft.h"
  41 #include "oscillator.h"
  42 #include "portamento.h"
  43 #include "addsynth_internal.h"
  44 #include "log.h"
  45
  46 #define envelope_params_ptr ((EnvelopeParams * )context)
  47
  48 float
  49 zyn_component_frequency_envelope_get_float(
  50   void * context,
  51   unsigned int parameter)
  52 {
  53   switch (parameter)
  54   {
  55   case ZYNADD_PARAMETER_FLOAT_ENV_ATTACK_VALUE:
  56     return percent_from_0_127(
  57       envelope_params_ptr->get_value(
  58         envelope_params_ptr->m_attack_value_index));
  59   case ZYNADD_PARAMETER_FLOAT_ENV_ATTACK_DURATION:
  60     return percent_from_0_127(
  61       envelope_params_ptr->get_duration(
  62         envelope_params_ptr->m_attack_duration_index));
  63   case ZYNADD_PARAMETER_FLOAT_ENV_RELEASE_VALUE:
  64     return percent_from_0_127(
  65       envelope_params_ptr->get_value(
  66         envelope_params_ptr->m_release_value_index));
  67   case ZYNADD_PARAMETER_FLOAT_ENV_RELEASE_DURATION:
  68     return percent_from_0_127(
  69       envelope_params_ptr->get_duration(
  70         envelope_params_ptr->m_release_duration_index));
  71   case ZYNADD_PARAMETER_FLOAT_ENV_STRETCH:
  72     return percent_from_0_127(envelope_params_ptr->m_stretch) * 2;
  73   default:
  74     LOG_ERROR("Unknown frequency envelope parameter %u", parameter);
  75     assert(0);
  76   }
  77 }
  78
  79 void
  80 zyn_component_frequency_envelope_set_float(
  81   void * context,
  82   unsigned int parameter,
  83   float value)
  84 {
  85   switch (parameter)
  86   {
  87   case ZYNADD_PARAMETER_FLOAT_ENV_ATTACK_VALUE:
  88     envelope_params_ptr->set_value(
  89       envelope_params_ptr->m_attack_value_index,
  90       percent_to_0_127(value));
  91     return;
  92   case ZYNADD_PARAMETER_FLOAT_ENV_ATTACK_DURATION:
  93     envelope_params_ptr->set_duration(
  94       envelope_params_ptr->m_attack_duration_index,
  95       percent_to_0_127(value));
  96     return;
  97   case ZYNADD_PARAMETER_FLOAT_ENV_RELEASE_VALUE:
  98     envelope_params_ptr->set_value(
  99       envelope_params_ptr->m_release_value_index,
 100       percent_to_0_127(value));
 101     return;
 102   case ZYNADD_PARAMETER_FLOAT_ENV_RELEASE_DURATION:
 103     envelope_params_ptr->set_duration(
 104       envelope_params_ptr->m_release_duration_index,
 105       percent_to_0_127(value));
 106     return;
 107   case ZYNADD_PARAMETER_FLOAT_ENV_STRETCH:
 108     envelope_params_ptr->m_stretch = percent_to_0_127(value/2);
 109     return;
 110   default:
 111     LOG_ERROR("Unknown frequency envelope parameter %u", parameter);
 112     assert(0);
 113   }
 114 }
 115
 116 signed int
 117 zyn_component_frequency_envelope_get_int(
 118   void * context,
 119   unsigned int parameter)
 120 {
 121   assert(0);
 122   return 0;
 123 }
 124
 125 void
 126 zyn_component_frequency_envelope_set_int(
 127   void * context,
 128   unsigned int parameter,
 129   signed int value)
 130 {
 131   assert(0);
 132 }
 133
 134 bool
 135 zyn_component_frequency_envelope_get_bool(
 136   void * context,
 137   unsigned int parameter)
 138 {
 139   switch (parameter)
 140   {
 141   case ZYNADD_PARAMETER_BOOL_ENV_FORCED_RELEASE:
 142     return envelope_params_ptr->m_forced_release;
 143   default:
 144     LOG_ERROR("Unknown bool frequency envelope parameter %u", parameter);
 145     assert(0);
 146   }
 147 }
 148
 149 void
 150 zyn_component_frequency_envelope_set_bool(
 151   void * context,
 152   unsigned int parameter,
 153   bool value)
 154 {
 155   switch (parameter)
 156   {
 157   case ZYNADD_PARAMETER_BOOL_ENV_FORCED_RELEASE:
 158     envelope_params_ptr->m_forced_release = value;
 159     return;
 160   default:
 161     LOG_ERROR("Unknown bool frequency envelope parameter %u", parameter);
 162     assert(0);
 163   }
 164 }
 165
 166 #undef envelope_params_ptr
 167
 168 void
 169 zyn_addsynth_component_init_frequency_envelope(
 170   struct zyn_component_descriptor * component_ptr,
 171   EnvelopeParams * envelope_params_ptr)
 172 {
 173   ZYN_INIT_COMPONENT(component_ptr, envelope_params_ptr, zyn_component_frequency_envelope_);
 174 }